| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 815 x 724 x 1265 mm | |
|---|---|---|
| Integrated headrest width | 400 mm | |
| Seat depth (front to back) | 450 mm | |
| Seat height adjustment range (floor to seat top) | 540 mm | |
| Armrest height above seat surface | 235 mm | |
| Bentwood side shell width (outer) | 540 mm | |
| Backrest height above seat surface | 755 mm | |
| Armrest projection from backrest front | 465 mm | |
| Five-star base diameter | 700 mm | |
| Seat width between armrests | 510 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 159 kg | |
|---|---|---|
| Five-star base static load rating | 1136 kg | |
| Chair net weight | 22 kg | |
| Caster rolling durability cycles | 40000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, back and headrest upholstery | 1.2mm thick PU leather | |
|---|---|---|
| Seat and back padding | 80mm thick high-density polyurethane foam | |
| Headrest padding | 60mm thick high-density polyurethane foam | |
| Armrest and side enclosures | 12mm thick bent plywood with walnut veneer finish | |
| Armrest top pads | 40mm thick PU leather-padded foam | |
| Five-star base | 2.0mm thick polished chrome-plated steel | |
| Gas lift column | 50mm diameter Class 3 chrome-plated steel gas lift | |
| Tilt mechanism chassis | 3.0mm thick powder-coated steel | |
| Casters | 50mm diameter dual-wheel nylon casters with PU tread | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central swivel bearing | |
|---|---|---|
| Pneumatic seat height adjustment | 60mm stroke controlled by side lever | |
| Backrest tilt function | 25-degree recline with infinite position lock | |
| Tilt tension adjustment | Knob under seat adjusts spring resistance for user weight | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet | |
| Fixed padded armrests | Curved arm support fixed to bentwood side shells | |
| Integrated head support | Contoured fixed headrest aligned with upper back | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Private executive/manager office | Premium aesthetic matches formal private office environments for leadership | |
|---|---|---|
| Home office workspace | Compact footprint and refined finish suit upscale residential work areas | |
| Conference room meeting spaces | Formal upholstered design supports long meeting seating needs | |
| Client reception consultation areas | Professional appearance creates polished impression for visitor seating | |
| Adjustable desk workstations | Height adjustment range pairs with 760 mm standard office desks | |
| Commercial co-working private offices | Durable construction meets shared commercial space usage requirements | |
| Recommended floor surfaces | Low-pile carpet, hardwood, tile, and vinyl office flooring | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - office work chairs: dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs: safety strength and durability requirements | |
| EN 1335-3:2009 | Office work chairs: test methods for structural verification | |
| EN 1022:2018 | Domestic and non-domestic seating: stability test requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-purpose office chairs: safety and performance standard |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to bentwood components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel base and frame | |
| GB/T 29643-2013 | Test method for leather abrasion resistance, applicable to PU upholstery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to bentwood components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel base and frame; 3. GB/T 29643-2013: Test method for leather abrasion resistance, applicable to PU upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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